make sure to read the requirements and follow all the rules. and add comments to the code. The code should be c$++.$

Here are the expected results from the testUnit function

TestUnit:

Username

Sun Apr $2101$:$46$:$38$ PDT $2024$

n$1($int$)$ : $25$

s$1($str$)$ : $25$

n$2($int$)$ : $1234$

s$2($str$)$ : $1234$

n$3($n$2)$ : $1234$

fibo$(12345)$: $12345$

fact$(50)$ : $50$

imax : $2147483647$

big : $9\mathrm{.}223372$e$18$

big.print$()$: $9223372036854775807$

$1234/25=49$ rem $9$

Fibo$(12345)=4\mathrm{.}008056$e$2579$

fact$(50)=3\mathrm{.}041409$e$64$

$10+$ n$1=35$

n$1+10=35$

$($n$1==$ s$1)?-->$ true

n$1++=?-->$ before:$25$ after:$26$

$++$s$1=?-->$ before:$26$ after:$26$

s$2*$ big $=?-->1\mathrm{.}138164$e$22$

big $*$ s$2=?-->1\mathrm{.}138164$e$22$